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http://erniemiller.org/projects/squeel/

* KeyPaths
Person.joins(:articles => {:comments => :person}) => Person.joins(articles.comments.person)
-> they can also exist in the context of a hash

* Predicates

SQL	Predication	Operator	Alias
=	eq	        ==	

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'
rails 1.9 new hash syntax
new_hash = {simon: "Talek", lorem: "Ipsum"}

###Rspec
%cucumber
save_and_open_page


###MIGRATION

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more: https://github.com/justinfrench/formtastic

-> make form for all db columns
  <%= semantic_form_for @user do |f| %>
    <%= f.inputs %>
    <%= f.buttons %>
  <% end %>

-> select cols
  <%= semantic_form_for @user do |f| %>

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An incomplete cheatsheet for rails 3. Things are added as they are required.

Active Record validations

# http://guides.rubyonrails.org/active_record_validations_callbacks.html

class SomeClass < ActiveRecord::Base

  # length

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@mixin ie6 { * html & { @content } }

#logo {
  background-image: url("/images/logo.png");
  @include ie6 { background-image: url("/images/logo.gif"); }
}

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class FuiBooleanInput < SimpleForm::Inputs::BooleanInput
  self.default_options = {:input_html => {'data-toggle' => "checkbox"}, :inline_label => true, :label => false}
  def nested_boolean_style?
    true
  end
end

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# nonlinear scrolling of idea attachments
# we want to make it like the scrolling pauses on each attachment
# for this we create an empty wrapper with the same width, height and use a fixed positioning for attachments container
# this way we can freely decide where to position them based on window's scroll position, and the wrapper will keep the
# preserved space in the document

$(window).on 'scroll', ->
  container = $('.nonlinear-scroll')
  wrapper = $('.nonlinear-scroll-wrapper')
  breathePoints = $('.nonlinear-scroll-breathe-point')

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Vertical Dividers between Columns

Simple css vertical dividers you can easily adapt to the grid system of your liking.

Forked from Phil Hoyt's Pen Vertical Dividers between Columns.

A Pen by Captain Anonymous on CodePen.

License.

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=def-classes($attr, $values...)
  @each $val in $values
    .#{$attr}-#{$val}
      #{$attr}: #{$val}


@each $d in 0,1,2,4,8,16
  @each $attr in margin, padding
    .#{$attr}-#{$d}, .childs-#{$attr}-#{$d} > *
      #{$attr}: #{$d}em

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BjQjRp

A Pen by Captain Anonymous on CodePen.

License.